The composition and analyzed nutrient levels of basal diets (%, as-fed basis)a.
| Items | Phase I | Phase II |
|---|---|---|
| Corn | 59.15 | 60.49 |
| Soybean meal (45% crude protein) | 14.31 | 18.08 |
| Soybean oil | 2.80 | 2.60 |
| Fish meal | 2.40 | 2.20 |
| Soy protein concentrate | 10.10 | 4.80 |
| Whey powder (12% crude protein) | 7.32 | 8.29 |
| Dicalcium phosphate | 1.26 | 1.10 |
| Limestone | 0.72 | 0.60 |
| Salt | 0.24 | 0.24 |
| l-Lysine-HCl | 0.51 | 0.50 |
| l-Threonine | 0.18 | 0.15 |
| Tryptophan | 0.03 | 0.03 |
| Methionine hydroxy analogue | 0.28 | 0.23 |
| Choline chloride (50%) | 0.20 | 0.20 |
| Vitamine-mineral premixb | 0.50 | 0.50 |
| Total | 100.00 | 100.00 |
| Analyzed nutrient levels c | ||
| Digestible energy, Mcal kg−1 | 3.542 | 3.490 |
| Dry matter | 89.05 | 88.43 |
| Crude protein | 20.93 | 20.33 |
| Ash | 4.94 | 4.86 |
| Ether extract | 5.50 | 5.61 |
| Crude fiber | 3.02 | 2.98 |
| Lysine | 1.53 | 1.38 |
| Methionine | 0.56 | 0.53 |
| Methionine + cystine | 0.87 | 0.79 |
| Threonine | 0.98 | 0.89 |
| Calcium | 0.76 | 0.73 |
| Total phosphorus | 0.62 | 0.58 |
a
Corn was replaced with MMT or CHC in the other treatments.
b
Provided per kg of diet: vitamin A, 12 000 IU; vitamin D3, 2000 IU; vitamin E, 30 IU; vitamin K3, 2.5 mg; thiamine, 2.5 mg; riboflavin, 4 mg; pyridoxine, 3 mg; vitamin B12, 20 μg; niacin, 40 mg; pantothenic acid, 12.5 mg; folic acid, 0.7 mg; biotin, 0.07 mg; Fe, 100 mg; Cu, 90 mg; Zn, 80 mg; Mn, 30 mg; I, 0.25 mg; Se, 0.15 mg.
c
All data are analyzed values except for digestible energy.